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howler.js
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/*! howler.js v2.2.3 | (c) 2013-2020, James Simpson of GoldFire Studios | MIT License | howlerjs.com */
!(function () {
"use strict";
var e = function () {
this.init();
};
e.prototype = {
init: function () {
var e = this || n;
return (
(e._counter = 1e3),
(e._html5AudioPool = []),
(e.html5PoolSize = 10),
(e._codecs = {}),
(e._howls = []),
(e._muted = !1),
(e._volume = 1),
(e._canPlayEvent = "canplaythrough"),
(e._navigator =
"undefined" != typeof window && window.navigator
? window.navigator
: null),
(e.masterGain = null),
(e.noAudio = !1),
(e.usingWebAudio = !0),
(e.autoSuspend = !0),
(e.ctx = null),
(e.autoUnlock = !0),
e._setup(),
e
);
},
volume: function (e) {
var o = this || n;
if (
((e = parseFloat(e)), o.ctx || _(), void 0 !== e && e >= 0 && e <= 1)
) {
if (((o._volume = e), o._muted)) return o;
o.usingWebAudio &&
o.masterGain.gain.setValueAtTime(e, n.ctx.currentTime);
for (var t = 0; t < o._howls.length; t++)
if (!o._howls[t]._webAudio)
for (var r = o._howls[t]._getSoundIds(), a = 0; a < r.length; a++) {
var u = o._howls[t]._soundById(r[a]);
u && u._node && (u._node.volume = u._volume * e);
}
return o;
}
return o._volume;
},
mute: function (e) {
var o = this || n;
o.ctx || _(),
(o._muted = e),
o.usingWebAudio &&
o.masterGain.gain.setValueAtTime(
e ? 0 : o._volume,
n.ctx.currentTime
);
for (var t = 0; t < o._howls.length; t++)
if (!o._howls[t]._webAudio)
for (var r = o._howls[t]._getSoundIds(), a = 0; a < r.length; a++) {
var u = o._howls[t]._soundById(r[a]);
u && u._node && (u._node.muted = !!e || u._muted);
}
return o;
},
stop: function () {
for (var e = this || n, o = 0; o < e._howls.length; o++)
e._howls[o].stop();
return e;
},
unload: function () {
for (var e = this || n, o = e._howls.length - 1; o >= 0; o--)
e._howls[o].unload();
return (
e.usingWebAudio &&
e.ctx &&
void 0 !== e.ctx.close &&
(e.ctx.close(), (e.ctx = null), _()),
e
);
},
codecs: function (e) {
return (this || n)._codecs[e.replace(/^x-/, "")];
},
_setup: function () {
var e = this || n;
if (
((e.state = e.ctx ? e.ctx.state || "suspended" : "suspended"),
e._autoSuspend(),
!e.usingWebAudio)
)
if ("undefined" != typeof Audio)
try {
var o = new Audio();
void 0 === o.oncanplaythrough && (e._canPlayEvent = "canplay");
} catch (n) {
e.noAudio = !0;
}
else e.noAudio = !0;
try {
var o = new Audio();
o.muted && (e.noAudio = !0);
} catch (e) {}
return e.noAudio || e._setupCodecs(), e;
},
_setupCodecs: function () {
var e = this || n,
o = null;
try {
o = "undefined" != typeof Audio ? new Audio() : null;
} catch (n) {
return e;
}
if (!o || "function" != typeof o.canPlayType) return e;
var t = o.canPlayType("audio/mpeg;").replace(/^no$/, ""),
r = e._navigator ? e._navigator.userAgent : "",
a = r.match(/OPR\/([0-6].)/g),
u = a && parseInt(a[0].split("/")[1], 10) < 33,
d = -1 !== r.indexOf("Safari") && -1 === r.indexOf("Chrome"),
i = r.match(/Version\/(.*?) /),
_ = d && i && parseInt(i[1], 10) < 15;
return (
(e._codecs = {
mp3: !(u || (!t && !o.canPlayType("audio/mp3;").replace(/^no$/, ""))),
mpeg: !!t,
opus: !!o.canPlayType('audio/ogg; codecs="opus"').replace(/^no$/, ""),
ogg: !!o
.canPlayType('audio/ogg; codecs="vorbis"')
.replace(/^no$/, ""),
oga: !!o
.canPlayType('audio/ogg; codecs="vorbis"')
.replace(/^no$/, ""),
wav: !!(
o.canPlayType('audio/wav; codecs="1"') || o.canPlayType("audio/wav")
).replace(/^no$/, ""),
aac: !!o.canPlayType("audio/aac;").replace(/^no$/, ""),
caf: !!o.canPlayType("audio/x-caf;").replace(/^no$/, ""),
m4a: !!(
o.canPlayType("audio/x-m4a;") ||
o.canPlayType("audio/m4a;") ||
o.canPlayType("audio/aac;")
).replace(/^no$/, ""),
m4b: !!(
o.canPlayType("audio/x-m4b;") ||
o.canPlayType("audio/m4b;") ||
o.canPlayType("audio/aac;")
).replace(/^no$/, ""),
mp4: !!(
o.canPlayType("audio/x-mp4;") ||
o.canPlayType("audio/mp4;") ||
o.canPlayType("audio/aac;")
).replace(/^no$/, ""),
weba: !(
_ ||
!o.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/, "")
),
webm: !(
_ ||
!o.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/, "")
),
dolby: !!o
.canPlayType('audio/mp4; codecs="ec-3"')
.replace(/^no$/, ""),
flac: !!(
o.canPlayType("audio/x-flac;") || o.canPlayType("audio/flac;")
).replace(/^no$/, ""),
}),
e
);
},
_unlockAudio: function () {
var e = this || n;
if (!e._audioUnlocked && e.ctx) {
(e._audioUnlocked = !1),
(e.autoUnlock = !1),
e._mobileUnloaded ||
44100 === e.ctx.sampleRate ||
((e._mobileUnloaded = !0), e.unload()),
(e._scratchBuffer = e.ctx.createBuffer(1, 1, 22050));
var o = function (n) {
for (; e._html5AudioPool.length < e.html5PoolSize; )
try {
var t = new Audio();
(t._unlocked = !0), e._releaseHtml5Audio(t);
} catch (n) {
e.noAudio = !0;
break;
}
for (var r = 0; r < e._howls.length; r++)
if (!e._howls[r]._webAudio)
for (
var a = e._howls[r]._getSoundIds(), u = 0;
u < a.length;
u++
) {
var d = e._howls[r]._soundById(a[u]);
d &&
d._node &&
!d._node._unlocked &&
((d._node._unlocked = !0), d._node.load());
}
e._autoResume();
var i = e.ctx.createBufferSource();
(i.buffer = e._scratchBuffer),
i.connect(e.ctx.destination),
void 0 === i.start ? i.noteOn(0) : i.start(0),
"function" == typeof e.ctx.resume && e.ctx.resume(),
(i.onended = function () {
i.disconnect(0),
(e._audioUnlocked = !0),
document.removeEventListener("touchstart", o, !0),
document.removeEventListener("touchend", o, !0),
document.removeEventListener("click", o, !0),
document.removeEventListener("keydown", o, !0);
for (var n = 0; n < e._howls.length; n++)
e._howls[n]._emit("unlock");
});
};
return (
document.addEventListener("touchstart", o, !0),
document.addEventListener("touchend", o, !0),
document.addEventListener("click", o, !0),
document.addEventListener("keydown", o, !0),
e
);
}
},
_obtainHtml5Audio: function () {
var e = this || n;
if (e._html5AudioPool.length) return e._html5AudioPool.pop();
var o = new Audio().play();
return (
o &&
"undefined" != typeof Promise &&
(o instanceof Promise || "function" == typeof o.then) &&
o.catch(function () {
console.warn(
"HTML5 Audio pool exhausted, returning potentially locked audio object."
);
}),
new Audio()
);
},
_releaseHtml5Audio: function (e) {
var o = this || n;
return e._unlocked && o._html5AudioPool.push(e), o;
},
_autoSuspend: function () {
var e = this;
if (
e.autoSuspend &&
e.ctx &&
void 0 !== e.ctx.suspend &&
n.usingWebAudio
) {
for (var o = 0; o < e._howls.length; o++)
if (e._howls[o]._webAudio)
for (var t = 0; t < e._howls[o]._sounds.length; t++)
if (!e._howls[o]._sounds[t]._paused) return e;
return (
e._suspendTimer && clearTimeout(e._suspendTimer),
(e._suspendTimer = setTimeout(function () {
if (e.autoSuspend) {
(e._suspendTimer = null), (e.state = "suspending");
var n = function () {
(e.state = "suspended"),
e._resumeAfterSuspend &&
(delete e._resumeAfterSuspend, e._autoResume());
};
e.ctx.suspend().then(n, n);
}
}, 3e4)),
e
);
}
},
_autoResume: function () {
var e = this;
if (e.ctx && void 0 !== e.ctx.resume && n.usingWebAudio)
return (
"running" === e.state &&
"interrupted" !== e.ctx.state &&
e._suspendTimer
? (clearTimeout(e._suspendTimer), (e._suspendTimer = null))
: "suspended" === e.state ||
("running" === e.state && "interrupted" === e.ctx.state)
? (e.ctx.resume().then(function () {
e.state = "running";
for (var n = 0; n < e._howls.length; n++)
e._howls[n]._emit("resume");
}),
e._suspendTimer &&
(clearTimeout(e._suspendTimer), (e._suspendTimer = null)))
: "suspending" === e.state && (e._resumeAfterSuspend = !0),
e
);
},
};
var n = new e(),
o = function (e) {
var n = this;
if (!e.src || 0 === e.src.length)
return void console.error(
"An array of source files must be passed with any new Howl."
);
n.init(e);
};
o.prototype = {
init: function (e) {
var o = this;
return (
n.ctx || _(),
(o._autoplay = e.autoplay || !1),
(o._format = "string" != typeof e.format ? e.format : [e.format]),
(o._html5 = e.html5 || !1),
(o._muted = e.mute || !1),
(o._loop = e.loop || !1),
(o._pool = e.pool || 5),
(o._preload =
("boolean" != typeof e.preload && "metadata" !== e.preload) ||
e.preload),
(o._rate = e.rate || 1),
(o._sprite = e.sprite || {}),
(o._src = "string" != typeof e.src ? e.src : [e.src]),
(o._volume = void 0 !== e.volume ? e.volume : 1),
(o._xhr = {
method: e.xhr && e.xhr.method ? e.xhr.method : "GET",
headers: e.xhr && e.xhr.headers ? e.xhr.headers : null,
withCredentials:
!(!e.xhr || !e.xhr.withCredentials) && e.xhr.withCredentials,
}),
(o._duration = 0),
(o._state = "unloaded"),
(o._sounds = []),
(o._endTimers = {}),
(o._queue = []),
(o._playLock = !1),
(o._onend = e.onend ? [{ fn: e.onend }] : []),
(o._onfade = e.onfade ? [{ fn: e.onfade }] : []),
(o._onload = e.onload ? [{ fn: e.onload }] : []),
(o._onloaderror = e.onloaderror ? [{ fn: e.onloaderror }] : []),
(o._onplayerror = e.onplayerror ? [{ fn: e.onplayerror }] : []),
(o._onpause = e.onpause ? [{ fn: e.onpause }] : []),
(o._onplay = e.onplay ? [{ fn: e.onplay }] : []),
(o._onstop = e.onstop ? [{ fn: e.onstop }] : []),
(o._onmute = e.onmute ? [{ fn: e.onmute }] : []),
(o._onvolume = e.onvolume ? [{ fn: e.onvolume }] : []),
(o._onrate = e.onrate ? [{ fn: e.onrate }] : []),
(o._onseek = e.onseek ? [{ fn: e.onseek }] : []),
(o._onunlock = e.onunlock ? [{ fn: e.onunlock }] : []),
(o._onresume = []),
(o._webAudio = n.usingWebAudio && !o._html5),
void 0 !== n.ctx && n.ctx && n.autoUnlock && n._unlockAudio(),
n._howls.push(o),
o._autoplay &&
o._queue.push({
event: "play",
action: function () {
o.play();
},
}),
o._preload && "none" !== o._preload && o.load(),
o
);
},
load: function () {
var e = this,
o = null;
if (n.noAudio)
return void e._emit("loaderror", null, "No audio support.");
"string" == typeof e._src && (e._src = [e._src]);
for (var r = 0; r < e._src.length; r++) {
var u, d;
if (e._format && e._format[r]) u = e._format[r];
else {
if ("string" != typeof (d = e._src[r])) {
e._emit(
"loaderror",
null,
"Non-string found in selected audio sources - ignoring."
);
continue;
}
(u = /^data:audio\/([^;,]+);/i.exec(d)),
u || (u = /\.([^.]+)$/.exec(d.split("?", 1)[0])),
u && (u = u[1].toLowerCase());
}
if (
(u ||
console.warn(
'No file extension was found. Consider using the "format" property or specify an extension.'
),
u && n.codecs(u))
) {
o = e._src[r];
break;
}
}
return o
? ((e._src = o),
(e._state = "loading"),
"https:" === window.location.protocol &&
"http:" === o.slice(0, 5) &&
((e._html5 = !0), (e._webAudio = !1)),
new t(e),
e._webAudio && a(e),
e)
: void e._emit(
"loaderror",
null,
"No codec support for selected audio sources."
);
},
play: function (e, o) {
var t = this,
r = null;
if ("number" == typeof e) (r = e), (e = null);
else {
if ("string" == typeof e && "loaded" === t._state && !t._sprite[e])
return null;
if (void 0 === e && ((e = "__default"), !t._playLock)) {
for (var a = 0, u = 0; u < t._sounds.length; u++)
t._sounds[u]._paused &&
!t._sounds[u]._ended &&
(a++, (r = t._sounds[u]._id));
1 === a ? (e = null) : (r = null);
}
}
var d = r ? t._soundById(r) : t._inactiveSound();
if (!d) return null;
if ((r && !e && (e = d._sprite || "__default"), "loaded" !== t._state)) {
(d._sprite = e), (d._ended = !1);
var i = d._id;
return (
t._queue.push({
event: "play",
action: function () {
t.play(i);
},
}),
i
);
}
if (r && !d._paused) return o || t._loadQueue("play"), d._id;
t._webAudio && n._autoResume();
var _ = Math.max(0, d._seek > 0 ? d._seek : t._sprite[e][0] / 1e3),
s = Math.max(0, (t._sprite[e][0] + t._sprite[e][1]) / 1e3 - _),
l = (1e3 * s) / Math.abs(d._rate),
c = t._sprite[e][0] / 1e3,
f = (t._sprite[e][0] + t._sprite[e][1]) / 1e3;
(d._sprite = e), (d._ended = !1);
var p = function () {
(d._paused = !1),
(d._seek = _),
(d._start = c),
(d._stop = f),
(d._loop = !(!d._loop && !t._sprite[e][2]));
};
if (_ >= f) return void t._ended(d);
var m = d._node;
if (t._webAudio) {
var v = function () {
(t._playLock = !1), p(), t._refreshBuffer(d);
var e = d._muted || t._muted ? 0 : d._volume;
m.gain.setValueAtTime(e, n.ctx.currentTime),
(d._playStart = n.ctx.currentTime),
void 0 === m.bufferSource.start
? d._loop
? m.bufferSource.noteGrainOn(0, _, 86400)
: m.bufferSource.noteGrainOn(0, _, s)
: d._loop
? m.bufferSource.start(0, _, 86400)
: m.bufferSource.start(0, _, s),
l !== 1 / 0 &&
(t._endTimers[d._id] = setTimeout(t._ended.bind(t, d), l)),
o ||
setTimeout(function () {
t._emit("play", d._id), t._loadQueue();
}, 0);
};
"running" === n.state && "interrupted" !== n.ctx.state
? v()
: ((t._playLock = !0), t.once("resume", v), t._clearTimer(d._id));
} else {
var h = function () {
(m.currentTime = _),
(m.muted = d._muted || t._muted || n._muted || m.muted),
(m.volume = d._volume * n.volume()),
(m.playbackRate = d._rate);
try {
var r = m.play();
if (
(r &&
"undefined" != typeof Promise &&
(r instanceof Promise || "function" == typeof r.then)
? ((t._playLock = !0),
p(),
r
.then(function () {
(t._playLock = !1),
(m._unlocked = !0),
o ? t._loadQueue() : t._emit("play", d._id);
})
.catch(function () {
(t._playLock = !1),
t._emit(
"playerror",
d._id,
"Playback was unable to start. This is most commonly an issue on mobile devices and Chrome where playback was not within a user interaction."
),
(d._ended = !0),
(d._paused = !0);
}))
: o || ((t._playLock = !1), p(), t._emit("play", d._id)),
(m.playbackRate = d._rate),
m.paused)
)
return void t._emit(
"playerror",
d._id,
"Playback was unable to start. This is most commonly an issue on mobile devices and Chrome where playback was not within a user interaction."
);
"__default" !== e || d._loop
? (t._endTimers[d._id] = setTimeout(t._ended.bind(t, d), l))
: ((t._endTimers[d._id] = function () {
t._ended(d),
m.removeEventListener("ended", t._endTimers[d._id], !1);
}),
m.addEventListener("ended", t._endTimers[d._id], !1));
} catch (e) {
t._emit("playerror", d._id, e);
}
};
"data:audio/wav;base64,UklGRigAAABXQVZFZm10IBIAAAABAAEARKwAAIhYAQACABAAAABkYXRhAgAAAAEA" ===
m.src && ((m.src = t._src), m.load());
var y =
(window && window.ejecta) ||
(!m.readyState && n._navigator.isCocoonJS);
if (m.readyState >= 3 || y) h();
else {
(t._playLock = !0), (t._state = "loading");
var g = function () {
(t._state = "loaded"),
h(),
m.removeEventListener(n._canPlayEvent, g, !1);
};
m.addEventListener(n._canPlayEvent, g, !1), t._clearTimer(d._id);
}
}
return d._id;
},
pause: function (e) {
var n = this;
if ("loaded" !== n._state || n._playLock)
return (
n._queue.push({
event: "pause",
action: function () {
n.pause(e);
},
}),
n
);
for (var o = n._getSoundIds(e), t = 0; t < o.length; t++) {
n._clearTimer(o[t]);
var r = n._soundById(o[t]);
if (
r &&
!r._paused &&
((r._seek = n.seek(o[t])),
(r._rateSeek = 0),
(r._paused = !0),
n._stopFade(o[t]),
r._node)
)
if (n._webAudio) {
if (!r._node.bufferSource) continue;
void 0 === r._node.bufferSource.stop
? r._node.bufferSource.noteOff(0)
: r._node.bufferSource.stop(0),
n._cleanBuffer(r._node);
} else
(isNaN(r._node.duration) && r._node.duration !== 1 / 0) ||
r._node.pause();
arguments[1] || n._emit("pause", r ? r._id : null);
}
return n;
},
stop: function (e, n) {
var o = this;
if ("loaded" !== o._state || o._playLock)
return (
o._queue.push({
event: "stop",
action: function () {
o.stop(e);
},
}),
o
);
for (var t = o._getSoundIds(e), r = 0; r < t.length; r++) {
o._clearTimer(t[r]);
var a = o._soundById(t[r]);
a &&
((a._seek = a._start || 0),
(a._rateSeek = 0),
(a._paused = !0),
(a._ended = !0),
o._stopFade(t[r]),
a._node &&
(o._webAudio
? a._node.bufferSource &&
(void 0 === a._node.bufferSource.stop
? a._node.bufferSource.noteOff(0)
: a._node.bufferSource.stop(0),
o._cleanBuffer(a._node))
: (isNaN(a._node.duration) && a._node.duration !== 1 / 0) ||
((a._node.currentTime = a._start || 0),
a._node.pause(),
a._node.duration === 1 / 0 && o._clearSound(a._node))),
n || o._emit("stop", a._id));
}
return o;
},
mute: function (e, o) {
var t = this;
if ("loaded" !== t._state || t._playLock)
return (
t._queue.push({
event: "mute",
action: function () {
t.mute(e, o);
},
}),
t
);
if (void 0 === o) {
if ("boolean" != typeof e) return t._muted;
t._muted = e;
}
for (var r = t._getSoundIds(o), a = 0; a < r.length; a++) {
var u = t._soundById(r[a]);
u &&
((u._muted = e),
u._interval && t._stopFade(u._id),
t._webAudio && u._node
? u._node.gain.setValueAtTime(e ? 0 : u._volume, n.ctx.currentTime)
: u._node && (u._node.muted = !!n._muted || e),
t._emit("mute", u._id));
}
return t;
},
volume: function () {
var e,
o,
t = this,
r = arguments;
if (0 === r.length) return t._volume;
if (1 === r.length || (2 === r.length && void 0 === r[1])) {
t._getSoundIds().indexOf(r[0]) >= 0
? (o = parseInt(r[0], 10))
: (e = parseFloat(r[0]));
} else
r.length >= 2 && ((e = parseFloat(r[0])), (o = parseInt(r[1], 10)));
var a;
if (!(void 0 !== e && e >= 0 && e <= 1))
return (a = o ? t._soundById(o) : t._sounds[0]), a ? a._volume : 0;
if ("loaded" !== t._state || t._playLock)
return (
t._queue.push({
event: "volume",
action: function () {
t.volume.apply(t, r);
},
}),
t
);
void 0 === o && (t._volume = e), (o = t._getSoundIds(o));
for (var u = 0; u < o.length; u++)
(a = t._soundById(o[u])) &&
((a._volume = e),
r[2] || t._stopFade(o[u]),
t._webAudio && a._node && !a._muted
? a._node.gain.setValueAtTime(e, n.ctx.currentTime)
: a._node && !a._muted && (a._node.volume = e * n.volume()),
t._emit("volume", a._id));
return t;
},
fade: function (e, o, t, r) {
var a = this;
if ("loaded" !== a._state || a._playLock)
return (
a._queue.push({
event: "fade",
action: function () {
a.fade(e, o, t, r);
},
}),
a
);
(e = Math.min(Math.max(0, parseFloat(e)), 1)),
(o = Math.min(Math.max(0, parseFloat(o)), 1)),
(t = parseFloat(t)),
a.volume(e, r);
for (var u = a._getSoundIds(r), d = 0; d < u.length; d++) {
var i = a._soundById(u[d]);
if (i) {
if ((r || a._stopFade(u[d]), a._webAudio && !i._muted)) {
var _ = n.ctx.currentTime,
s = _ + t / 1e3;
(i._volume = e),
i._node.gain.setValueAtTime(e, _),
i._node.gain.linearRampToValueAtTime(o, s);
}
a._startFadeInterval(i, e, o, t, u[d], void 0 === r);
}
}
return a;
},
_startFadeInterval: function (e, n, o, t, r, a) {
var u = this,
d = n,
i = o - n,
_ = Math.abs(i / 0.01),
s = Math.max(4, _ > 0 ? t / _ : t),
l = Date.now();
(e._fadeTo = o),
(e._interval = setInterval(function () {
var r = (Date.now() - l) / t;
(l = Date.now()),
(d += i * r),
(d = Math.round(100 * d) / 100),
(d = i < 0 ? Math.max(o, d) : Math.min(o, d)),
u._webAudio ? (e._volume = d) : u.volume(d, e._id, !0),
a && (u._volume = d),
((o < n && d <= o) || (o > n && d >= o)) &&
(clearInterval(e._interval),
(e._interval = null),
(e._fadeTo = null),
u.volume(o, e._id),
u._emit("fade", e._id));
}, s));
},
_stopFade: function (e) {
var o = this,
t = o._soundById(e);
return (
t &&
t._interval &&
(o._webAudio && t._node.gain.cancelScheduledValues(n.ctx.currentTime),
clearInterval(t._interval),
(t._interval = null),
o.volume(t._fadeTo, e),
(t._fadeTo = null),
o._emit("fade", e)),
o
);
},
loop: function () {
var e,
n,
o,
t = this,
r = arguments;
if (0 === r.length) return t._loop;
if (1 === r.length) {
if ("boolean" != typeof r[0])
return !!(o = t._soundById(parseInt(r[0], 10))) && o._loop;
(e = r[0]), (t._loop = e);
} else 2 === r.length && ((e = r[0]), (n = parseInt(r[1], 10)));
for (var a = t._getSoundIds(n), u = 0; u < a.length; u++)
(o = t._soundById(a[u])) &&
((o._loop = e),
t._webAudio &&
o._node &&
o._node.bufferSource &&
((o._node.bufferSource.loop = e),
e &&
((o._node.bufferSource.loopStart = o._start || 0),
(o._node.bufferSource.loopEnd = o._stop),
t.playing(a[u]) && (t.pause(a[u], !0), t.play(a[u], !0)))));
return t;
},
rate: function () {
var e,
o,
t = this,
r = arguments;
if (0 === r.length) o = t._sounds[0]._id;
else if (1 === r.length) {
var a = t._getSoundIds(),
u = a.indexOf(r[0]);
u >= 0 ? (o = parseInt(r[0], 10)) : (e = parseFloat(r[0]));
} else
2 === r.length && ((e = parseFloat(r[0])), (o = parseInt(r[1], 10)));
var d;
if ("number" != typeof e)
return (d = t._soundById(o)), d ? d._rate : t._rate;
if ("loaded" !== t._state || t._playLock)
return (
t._queue.push({
event: "rate",
action: function () {
t.rate.apply(t, r);
},
}),
t
);
void 0 === o && (t._rate = e), (o = t._getSoundIds(o));
for (var i = 0; i < o.length; i++)
if ((d = t._soundById(o[i]))) {
t.playing(o[i]) &&
((d._rateSeek = t.seek(o[i])),
(d._playStart = t._webAudio ? n.ctx.currentTime : d._playStart)),
(d._rate = e),
t._webAudio && d._node && d._node.bufferSource
? d._node.bufferSource.playbackRate.setValueAtTime(
e,
n.ctx.currentTime
)
: d._node && (d._node.playbackRate = e);
var _ = t.seek(o[i]),
s = (t._sprite[d._sprite][0] + t._sprite[d._sprite][1]) / 1e3 - _,
l = (1e3 * s) / Math.abs(d._rate);
(!t._endTimers[o[i]] && d._paused) ||
(t._clearTimer(o[i]),
(t._endTimers[o[i]] = setTimeout(t._ended.bind(t, d), l))),
t._emit("rate", d._id);
}
return t;
},
seek: function () {
var e,
o,
t = this,
r = arguments;
if (0 === r.length) t._sounds.length && (o = t._sounds[0]._id);
else if (1 === r.length) {
var a = t._getSoundIds(),
u = a.indexOf(r[0]);
u >= 0
? (o = parseInt(r[0], 10))
: t._sounds.length &&
((o = t._sounds[0]._id), (e = parseFloat(r[0])));
} else
2 === r.length && ((e = parseFloat(r[0])), (o = parseInt(r[1], 10)));
if (void 0 === o) return 0;
if ("number" == typeof e && ("loaded" !== t._state || t._playLock))
return (
t._queue.push({
event: "seek",
action: function () {
t.seek.apply(t, r);
},
}),
t
);
var d = t._soundById(o);
if (d) {
if (!("number" == typeof e && e >= 0)) {
if (t._webAudio) {
var i = t.playing(o) ? n.ctx.currentTime - d._playStart : 0,
_ = d._rateSeek ? d._rateSeek - d._seek : 0;
return d._seek + (_ + i * Math.abs(d._rate));
}
return d._node.currentTime;
}
var s = t.playing(o);
s && t.pause(o, !0),
(d._seek = e),
(d._ended = !1),
t._clearTimer(o),
t._webAudio ||
!d._node ||
isNaN(d._node.duration) ||
(d._node.currentTime = e);
var l = function () {
s && t.play(o, !0), t._emit("seek", o);
};
if (s && !t._webAudio) {
var c = function () {
t._playLock ? setTimeout(c, 0) : l();
};
setTimeout(c, 0);
} else l();
}
return t;
},
playing: function (e) {
var n = this;
if ("number" == typeof e) {
var o = n._soundById(e);
return !!o && !o._paused;
}
for (var t = 0; t < n._sounds.length; t++)
if (!n._sounds[t]._paused) return !0;
return !1;
},
duration: function (e) {
var n = this,
o = n._duration,
t = n._soundById(e);
return t && (o = n._sprite[t._sprite][1] / 1e3), o;
},
state: function () {
return this._state;
},
unload: function () {
for (var e = this, o = e._sounds, t = 0; t < o.length; t++)
o[t]._paused || e.stop(o[t]._id),
e._webAudio ||
(e._clearSound(o[t]._node),
o[t]._node.removeEventListener("error", o[t]._errorFn, !1),
o[t]._node.removeEventListener(n._canPlayEvent, o[t]._loadFn, !1),
o[t]._node.removeEventListener("ended", o[t]._endFn, !1),
n._releaseHtml5Audio(o[t]._node)),
delete o[t]._node,
e._clearTimer(o[t]._id);
var a = n._howls.indexOf(e);
a >= 0 && n._howls.splice(a, 1);
var u = !0;
for (t = 0; t < n._howls.length; t++)
if (
n._howls[t]._src === e._src ||
e._src.indexOf(n._howls[t]._src) >= 0
) {
u = !1;
break;
}
return (
r && u && delete r[e._src],
(n.noAudio = !1),
(e._state = "unloaded"),
(e._sounds = []),
(e = null),
null
);
},
on: function (e, n, o, t) {
var r = this,
a = r["_on" + e];
return (
"function" == typeof n &&
a.push(t ? { id: o, fn: n, once: t } : { id: o, fn: n }),
r
);
},
off: function (e, n, o) {
var t = this,
r = t["_on" + e],
a = 0;
if (("number" == typeof n && ((o = n), (n = null)), n || o))
for (a = 0; a < r.length; a++) {
var u = o === r[a].id;
if ((n === r[a].fn && u) || (!n && u)) {
r.splice(a, 1);
break;
}
}
else if (e) t["_on" + e] = [];
else {
var d = Object.keys(t);
for (a = 0; a < d.length; a++)
0 === d[a].indexOf("_on") && Array.isArray(t[d[a]]) && (t[d[a]] = []);
}
return t;
},
once: function (e, n, o) {
var t = this;
return t.on(e, n, o, 1), t;
},
_emit: function (e, n, o) {
for (var t = this, r = t["_on" + e], a = r.length - 1; a >= 0; a--)
(r[a].id && r[a].id !== n && "load" !== e) ||
(setTimeout(
function (e) {
e.call(this, n, o);
}.bind(t, r[a].fn),
0
),
r[a].once && t.off(e, r[a].fn, r[a].id));
return t._loadQueue(e), t;
},
_loadQueue: function (e) {
var n = this;
if (n._queue.length > 0) {
var o = n._queue[0];
o.event === e && (n._queue.shift(), n._loadQueue()), e || o.action();
}
return n;
},
_ended: function (e) {
var o = this,
t = e._sprite;
if (
!o._webAudio &&
e._node &&
!e._node.paused &&